package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import javax.websocket.server.PathParam;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品管理")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        // 清理缓存数据
        String key = "dish_"+ dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dto) {
        log.info("菜品分页查询:{}", dto);
        PageResult pageResult = dishService.pageQuery(dto);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除:{}", ids);
        dishService.deleteBatch(ids);

        // 清理缓存数据(将所有的菜品缓存数据删除)
        cleanCache("dish_*");

        return Result.success();
    }

    @ApiOperation("根据id查询菜品详情")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id ) {
        log.info("根据id查询菜品详情:{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        // 清理缓存数据(将所有的菜品缓存数据删除)
        cleanCache("dish_*");

        return Result.success();
    }

    @ApiOperation("启售或禁售菜品")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("修改菜品状态：{}, {}", id, status);
        dishService.startOrStop(id,status);

        // 清理缓存数据(将所有的菜品缓存数据删除)
        cleanCache("dish_*");

        return Result.success();
    }

    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(Integer categoryId) {
        log.info("根据分类id查询菜品:{}", categoryId);
        List<Dish> dishs = dishService.list(categoryId);
        return Result.success(dishs);
    }

    private void cleanCache(String pattern) {
        // 清理缓存数据
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
